1429125673 has 4 divisors (see below), whose sum is σ = 1433366740. Its totient is φ = 1424884608.

The previous prime is 1429125661. The next prime is 1429125697. The reversal of 1429125673 is 3765219241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 221771664 + 1207354009 = 14892^2 + 34747^2 .

It is a cyclic number.

It is not a de Polignac number, because 1429125673 - 2²¹ = 1427028521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1429125653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2120028 + ... + 2120701.

It is an arithmetic number, because the mean of its divisors is an integer number (358341685).

Almost surely, 2^1429125673 is an apocalyptic number.

It is an amenable number.

1429125673 is a deficient number, since it is larger than the sum of its proper divisors (4241067).

1429125673 is an equidigital number, since it uses as much as digits as its factorization.

1429125673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241066.

The product of its digits is 90720, while the sum is 40.

The square root of 1429125673 is about 37803.7785545308. The cubic root of 1429125673 is about 1126.3935121546.

The spelling of 1429125673 in words is "one billion, four hundred twenty-nine million, one hundred twenty-five thousand, six hundred seventy-three".